It's been over a year since we mentioned anything about that toxic cloud inside your new car's interior. By the way, how are you feeling? That's good. Now, a watchdog organization concerned with the toxicity of cars' insides has released data on the best and worst new cars in which to take a breath. The group, Ecology Center, used a portable X-Ray Fluorescence (XRF) gadget (thanks, CSI) to identify the presence of chlorine, bromine, arsenic, mercury and other potentially harmful substances. And according to their results, buyers of the Nissan Versa should probably keep a few extra Hazmat suits under their seats. Check out the toxicity list by class here. – Mike Spinelli